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📊🤔 Explore A - Lesson 3.8 Ten as a Factor
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For this part of the lesson you will need your base-10 blocks or number pieces app.
Use unit cubes to make the following array.
3×10

What other blocks could you use to make an array for
3×10?
10 unit blocks can be traded for one rod.

We could use 3 rods to make
3×10.
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